Subtract 70/63 from 18/49
1st number: 18/49, 2nd number: 1 7/63
18/49 - 70/63 is -328/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
18/49 = 18 × 9/49 × 9 = 162/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441 - Subtract the two like fractions:
162/441 - 490/441 = 162 - 490/441 = -328/441
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